A monument marks the beginning of the longest north-south road in the United States.

A giant telephone commemorates the last "crank" call ever made in the U.S.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

The largest tidal whirlpool in the Western Hemisphere.

This Maine bridge may be the last wire-supported bridge of its type in the world.

The highest point in Maine is a grand gift to the state citizens that also happens to be one end of the Appalachian Trail.

This tiny patch of arid sand sits in one of the greenest states in the United States.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

It's believed that these columns marked the end of the Via Appia.

This ancient city was home to one of the greatest schools of Greek philosophy.

This stretch of the ancient Roman road is preserved in a valley that witnessed many battles and legendary highwaymen.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

This monumental fountain has moved around the city multiple times.

This network of roads is one of the most unique Etruscan creations ever discovered.

This museum located in Fondi is also said to be the most haunted building in town.

One of the oldest libraries in the world is still operating and contains the oldest existing document in the Italian language.

A single column facing the sea is all that's left of one of the most important temples of Magna Graecia.

This medieval city gate is now a blend of the past and the modern world.

The oldest scientifically dated tree in Europe lives on a remote cliff.

Pompeii's less famous neighbor is still revealing her secrets.

For decades, vendors have sold clothes once worn by American soldiers who stormed Italy in the 1940s.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

A massive marble foot is tucked away in a small alley near the Pantheon.

The oldest volcanology research center in the world.